What plant hardiness zone is Rocchetta Ligure

Rocchetta Ligure is located at Alessandria, Piedmont (Piemonte), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Rocchetta Ligure is 8b by the USDA scale.

Coldest zone's winter temperature is −9.4 … −6.7 °C.

Plants of 8b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8b USDA.

Alternative climatic zone of gardening for Rocchetta Ligure by UK RHS scale is H4.

Plants of H4 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H4 RHS.

Rocchetta Ligure @ wikipedia.

* The lowest temperature in Rocchetta Ligure was -6.8 °C on 06/02/2012.